Printing machine for printing strips of material



Aug. 18, 1931. J. KRELL- 1,819,561-

PRINTING MACHINE FOR PRiNTING STRIPS OF MATERIAL Filed June 7, 1928 2Sheets-Sheet '1 ve/v rag J. KRELL Aug. 18, 1931.

PRINTING MACHINE FOR PRINTING STRIPS 0F MATERIAL Filed June 7, 1928 2Sheets-Sheet 2 Patented Aug. 18, 1931 warren STATES eosnrn KBELL, ornnanm-znnnnnnoar, GERMANY EBINTING E FOR PRINTING STRIPS OF MATERIALApplication filed June 7, 1928, Serial No. 283,709, and in Germany July9, 1827.

My invention relates to printing machines for printing a strip ofmaterial, for instance, printing addresses on a strip of paper on whichother matter, for instance, a form has already been printed. A

' driving mechanism of the machine and the means for winding the strip.

The addresses may be printed at any suitable point, or points, of thestrip in any desired position with respect to the matter already printedthereon, and by any suitable means as a normal address printing machine.In the preferred embodiment of the invention the machine may be said toconsist briefly of striprsupporting and strip feeding parts on the amewith means for driving said feeding parts including means for permittingslip intermediate said driving means and said feeding parts inconnection with means exerting a braking action on the strip forretaining said strip on said frame against the action of said feedingparts. In order to feed the strip the operator pushes the stand by handand the combined action of the 'drive and force exerted manuallyovercomes the resistance so that the strip is fed by the feeding parts.

It is another object of my invention to provide means for exactlypredeterminin the position in which the strip is arreste and to this endI provide a combined mark and hand rest extending transversely .to thedirection in which the strip is moving, and arranged in front of theprinting station so that the addresses, or other matter, will be in theproper position on the strip.-

It is another object of my invention to provide means by which the stripafter having been printed and wound into a reel, is rewound in theoriginal position it assumed on the supply reel which may be desirablefor moving the strip, with the addresses to which my invention has beenapplied, is

illustrated by way of example. In the drawings Fig. 1 is a diagrammaticelevation of the machine vpartly in section, equipped for printing,

Fig. 2 is a plan view,

Fig. 3 is an elevation of the machine, equipped for rewinding the strip,

Fig. 4 is a diagrammatic plan view of part of a strip.

Referring now to the drawings, 1 designates the table of the machine; 1its frame; 2 a printing arm adapted to rock on said table; 3 a printinghead on the arm; 4 a printing pad on the head 3; 5 the printing station,and 5 a guide for supplying printing plates, not shown, to the stationwhere the strip is printed from a ribbon, not shown.

The driving mechanism of the machine comprises a motor 6, having a shaft7 while a belt or cord 7 o erates on a pulley on the motor shaft 7. 8esi ates a pulley carried below the table 1 an actuated by the belt orcord 7 '1 8' is a link connecting the pulley with the end of the rockingarm 2, a clutch, not shown, being provided for operatively connectingthe pulley and the link, 9 designates a pedal fulcrumed on the frame 1at 9', and 9" designates a lever connecting the pedal with the clutch.

A strip of paper 10 is wound on a supply reel 14, while a roller 22 atthe rear end of the machine receives the strip unwound from the supplyreel 14. A plate 11 is secured to the table 1 at its front end, and isprovided with a curved front edge while 14' designates standards inwhich the reel 14 is suspended from the plate 11. A combined mark andhand rest 16 is arranged transversely to, and above the strip 10, inslots 15 of the plate 11 inwhich it may be dis laced in .parallel to thestrip 10 and secured y screws m the slots 18 designates a brake blockarranged near the front end of the plate 11 and provided with a liningof felt or the like on its lower face. Guide jibs 19, 19 arearr ateither side of the strip 10 while transverse slots 20, 20 are providedin the plate 11 for varying the position of the jibs in accordance withthe width of the strip 10.

Bearings 38 are arranged beyond the printing arm 2 for the reception ofa roller 39, Fig. 3, when the machine is used for rewinding' isjournaled in slots 24 of the bracket 12 so as to move vertically, 25 and26 designates guiding rollers for-the strip, and 27 a tension roller atthe end of a spring 28 which is held on the bracket 12. The strip movesas indicated by the arrows in Fig. 1, descending from the roller 25 tothe roller 27, ascending to the roller 26, and descending again to thecylinder 22.

Friction discs '29, 29 are arranged on the shaft 23 of the cylinder 22,while mating frictioli discs 30 are secured on a shaft 31 which issupported in the bracket 12 below the shaft 23. A belt or cord pulley 32is mounted on the shaft 31, while a corresponding pulley is mounted onthe motor shaft 7, and a belt or cord 33 operates on the two pulleys.

Referring now to Fig. 4, the strip 10 is divided into any number ofareas 35a, etc. the areas being defined by lines or rows ofperforations, as shown at b and e for the area 356 the length of whichis d. Part ofeach area is occupied by printed matter, and other matteras an address or the like, is rinted by the machine at sea, etc. and at3 a, etc. The areas 36a, etc., are bordered by lilies or rows ofperforations c, the pitch of the rows 7) and a being a. The printing pad4 and the hand rest 16 have been shown at'the side of the strip for thesake of clearness.

In operation, the hand rest 16 is secured on the plate 11 so that itsfront edge registers with the first row of perforations b at the area366 when the following area, 360, is below the printing pad 4 at theprinting station 5. The reel 14 with the strip 10 15 inserted in thestandards 14 and connected with the cylinder 22 on theshaft 23 by adiscs 29 as the brake block 18 is so weighted as to retain the stripagainst the pull of the cylinder 22.

The pedal 9 is now depressed, and the area 360 is rinted at the statlon5, whereupon the atten ant moves on the strip by hand against the brakeblock 18 until the row of perforations 0 at the end of the next field,37 b, registers with the edge of the hand rest 16. The strip is nowreleased and arrested again by the block 18 but while it was being movedon by the hand of the attendant, the discs 29 were rotating so that acorresponding length of strip (or blank) has been wound on the cylinder22. The strip has now been fed t rough the length a of the area 36?),the pedal 9 is depressed again, and the area adjacent the field 360 isprinted at 370. .Now, the strip is again moved forward by hand, but thistime for the length d, and the area 36?) moves to the printing station5. formerly occupied by the area 360. At the next operation, the area37b is printed, and so on.

Undercertain conditions it is preferable, and the speed of themachine isincreased, to remove the brake block 18 and to replace its action by theother hand of the attendant. In this case the strip 10 is fed by thecylinder 22 as soon as the attendant releases it.

When it is desired to wind the finished strip in-the same position as itwas on the reel 14, the brake block 18 is removedas shown in Fig. 3,-andthe roller 39 which may be of rubber or the like, is inserted in itsbearings 38. The cylinder 22, with the strip on it, is inserted in thestandards 14 and a c linder 22' is placed on the shaft 23 in its steaThe strip may be taken directly to the cylinder 22', without passing thetension roller 27. y

The motor 6 is now started but the clutch -is not operated and thecylinder 22 will rapidly wind the strip from the cylinder 22, the, handrest 16 performing no function in this case,-and the strip on thecylinder 22' will be in the same position as it was on the reel 14. Theroller' 39 prevents too rapid winding of the strip.

I claim:

1. 'A strip-feeding mechanism for printing machines comprisinga frame,strip-supporting and strip-feeding parts on said frame, a drive for saidfeeding parts, means exerting a braking action on the strip forretaining said stri on said'frame against the action of said fee ingparts, and means permitting slip intermediate said 'drive and saidfeeding parts. r

2. A strip-feeding mechanism for printing machines comprising a frame,strip-supporting and strip-feeding parts on said frame, a

drlve for said feeding parts, a brake'block on said frame adapted toretain said strip on said frame against the action of said feeding 1parts, and means permitting slip intermediate said drive and saidfeeding parts.

3. A strip-feeding mechanism for printing machines comprising a frame,strip-supporting and strip-feeding parts on said frame, a drive for saidfeeding parts, a brake block on said frame adapted to retain said stripon said frame against the action of said feeding parts, means permittingslip intermediate said drive and said feeding parts, and a weightedroller on said frame arranged intermediate said block and said drive andY adapted to bear on said strip.

4. A strip-feeding mechanism for printing machinescomprising a frame,strip-supporting. and strip-feeding parts on said frame, a drive forsaid feeding parts, means for retaining said strip on said frame,against the action of said feeding parts, means permitting slipintermediate said drive and said feeding parts, and anadjustable markon" said frame above said stri I v In testimony whereof aifixmysignature. JOSEPH KRELL.

